Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 08/20] KVM: VMX: Reinitialize the real-mode tss when entering real mode | Date | Sun, 8 Jul 2007 14:54:37 +0300 |
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Protected mode code may have corrupted the real-mode tss, so re-initialize it when switching to real mode.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- drivers/kvm/vmx.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index b47ddcc..42a9163 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -31,6 +31,8 @@ MODULE_AUTHOR("Qumranet"); MODULE_LICENSE("GPL"); +static int init_rmode_tss(struct kvm *kvm); + static DEFINE_PER_CPU(struct vmcs *, vmxarea); static DEFINE_PER_CPU(struct vmcs *, current_vmcs); @@ -951,6 +953,8 @@ static void enter_rmode(struct kvm_vcpu *vcpu) fix_rmode_seg(VCPU_SREG_DS, &vcpu->rmode.ds); fix_rmode_seg(VCPU_SREG_GS, &vcpu->rmode.gs); fix_rmode_seg(VCPU_SREG_FS, &vcpu->rmode.fs); + + init_rmode_tss(vcpu->kvm); } #ifdef CONFIG_X86_64 -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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